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Amplifiers:
Dual Class-D digital amplifiers perfectly tuned to the subwoofer's unique acoustic architecture.
Woofers:
Dual 5" x 8" elliptical woofers face inward for a force-canceling effect that virtually eliminates distortion.
Frequency response:
As low as 25 Hz
EQ:
Audio settings automatically equalize to balance Sub 4 and the paired Sonos speaker. Use the Sonos app to adjust bass, treble, and loudness.
Trueplay:
This software measures the acoustics of the room then fine-tunes your Sonos system.
Dimensions
Height: 15.31 in (389 mm) Width: 15.83 in (402 mm) Depth: 6.22 in (158 mm)
Weight
26 lb (11.79 kg)
Colours:
Black, White
Finish:
Matte
Join button:
Press once to add Sub 4 to your system during setup.
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